login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A325210 Numbers k such that Gamma(k - 1/2) has fractional part > 1/2. 2
1, 2, 5, 7, 16, 22, 23, 27, 28, 29, 30, 34, 35, 38, 40, 43, 44, 45, 47, 50, 52, 54, 55, 57, 58, 59, 60, 64, 65, 67, 68, 72, 73, 78, 82, 88, 90, 91, 92, 93, 95, 96, 99, 101, 107, 108, 112, 113, 114, 116, 117, 118, 119, 122, 124, 125, 128, 129, 130, 131, 132, 133, 134, 140, 142, 143, 144, 147, 154, 160, 162, 164, 167 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Complement of A325209.
LINKS
EXAMPLE
1.77245, 0.886227, 1.32934, 3.32335, 11.6317, 52.3428.
Exact values are v, v/2, 3v/4, 15v/8, ..., where v = sqrt(Pi) = A002161.
MATHEMATICA
t[n_] := N[Gamma[n - 1/2], 300] ; r = Range[200];
Select[r, FractionalPart[t[#]] < 1/2 &] (* A325209 *)
Select[r, FractionalPart[t[#]] > 1/2 &] (* A325210 *)
CROSSREFS
Sequence in context: A207035 A322440 A067580 * A181447 A082088 A075881
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 09 2019
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)